Fractions

Common Denominators

100

Find the lowest common denominator for 3/4 and 1/10

20

200

Find the lowest common deniminator for 2/7 and 3/8

56

300

Find the lowest common denominator for 1/2 and 3/5. 

10

400

Find the lowest common denominator for 1/4 and 2/3. 

12

500

Find the lowest common denominator for 1/9 and 2/10. 

90

Reduce Fractions (Simplest Form)

100

Reduce the fraction: 8/28

2/7

200

Reduce the fraction: 9/36

1/4

300

Write the fraction in its simplest form: 72/144

1/2

400

Write the fraction in simplest form: 5 12/8

6 1/2

500

Write the fraction in simplest form: 7 9/4

9 1/4

Multiplying Fractions

100

Write the answer in simpliest form: 2/3 * 4/5 = 

8/15

200

Write the answer in simpliest form: 2/3 * 3/4

1/2

300

Write the answer in simpliest form: 4/5 * 7/8 =

7/10

400

Write the answer in simpliest form: 5/6 * 2/3

5/9

500

Write the answer in simpliest form: 9/12 * 2/3 

 1/2

Adding Fractions

100

Write the answer in simpliest form: 3/8 + 3/8

6/8 = 3/4

200

Write the answer in simpliest form: 2/3 + 1/6

5/6

300

Write the answer in simpliest form: 2/5 + 1/2

9/10

400

Write the answer in simpliest form: 5/6 + 1/4

13/12 = 1 1/12

500

Write the answer in simpliest form: 3/4 + 7/8

 1 5/8

Subtracting Fractions

100

Write the answer in simpliest form: 7/8 - 5/8

2/8 = 1/4

200

Write the answer in simpliest form: 7/10 - 1/2

2/10 = 1/5

300

Write the answer in simpliest form: 2/3 - 1/12

7/12

400

Write the answer in simpliest form: 4/6 - 1/4

5/12

500

Write the answer in simpliest form: 5/6 - 3/9

9/18 = 1/2